Garmin Muvi Mount - Screw down.
Designed as part of my dash replacement project, I designed a mount for my Garmin Muvi.
This is also included in the Dash Upgrade project file here:
http://www.thingiverse.com/thing:687160
It seems to work well, I have printed a couple of revisions, and I've included the inventor part files and assemblies for your modding pleasure.